The Challenges of Rebuilding Late Model OHC Aluminum Heads - Engine Builder Magazine

The Challenges of Rebuilding Late Model OHC Aluminum Heads

Take it apart. Put it together. Take it apart. Put it together. If taking apart and reassembling cylinder heads is eating up too much of your valuable shop time, keep reading. We have some tips on how to slash your disassembly/assembly labor costs, as well as other ways to streamline your OHC aluminum head rebuilding processes.

As many of our readers report, the cylinder head market is changing. For better or worse, the mix of heads being rebuilt today is shifting more and more to late model OHC aluminum heads. Five or six years ago, aluminum heads were more of a novelty than a mainstream item.

In the past, most traditional rebuilders didn

You May Also Like

The Road to AAPEX Season 2, Ep 1

Last year, the idea was simple: Find a junker, fix it up with the best from the automotive aftermarket, and drive it to Las Vegas for AAPEX 2022. This year, it’s anything but simple. The automotive aftermarket is at the crossroads of change. Electric vehicles, driver assistance systems, autonomous vehicles, sustainability—it’s a shifting landscape. This

Last year, the idea was simple: Find a junker, fix it up with the best from the automotive aftermarket, and drive it to Las Vegas for AAPEX 2022. This year, it’s anything but simple.

The automotive aftermarket is at the crossroads of change. Electric vehicles, driver assistance systems, autonomous vehicles, sustainability—it’s a shifting landscape. This year, the Big Bosses at AAPEX, Bill Hanvey, president and CEO of Auto Care Association, and Paul McCarthy, president and CEO of MEMA Aftermarket, offered a challenge. Babcox Media’s Joe Keene, an ASE-certified technician, couldn’t refuse: Find and fix a rare Lincoln Blackwood and drive it down the Lincoln Highway to AAPEX 2023.

What’s a Ford Sidevalve Engine?

It looks like an ordinary inline 4-cylinder flathead engine. Essentially it is, but it has quite a cult following here in the UK.

The Drag & Drive Revolution

Following that first drag-and-drive event back in 2005, spinoffs of Drag Week have been happening all over the country, and the world, both large and small. In recent years, the trend has been completely blowing up!

The Evolution of Pro Mod Diesels

The advancements within the performance diesel world over the past 20 years have been nothing short of phenomenal. In fact, within just the last five to 10 years, that progress has been even more rapid and impressive, but few progressions have been more astonishing than those within the Pro Mod Diesel realm.

Top Fuel and Funny Car Engines

They’re the pinnacle of drag racing, and the engine builders, crew chiefs and teams who make these cars function at peak performance all season long are looking at every single area of the engine and the car to make it down the track as fast as possible.

Other Posts

Race Oils

Choosing the correct performance racing oil is essential to ensure optimal performance and longevity of your engine.

Facts About Engine Bearings

The experts all agree that cleanliness is the most important factor during installation, and the lack thereof is the most common problem that leads to bearing failure. But measuring is just as critical.

Does Connecting Rod Length Matter?

Over the years, we’ve gotten asked numerous times about connecting rod length and the impact that has on an engine’s horsepower and durability. As it turns out, this question is often overthought. It’s not so much the connecting rod length that matters as much as it is the correct piston pin height. The connecting rod

LTR Engine Build

This Late Model Engines build is centered around Concept Performance’s new LTR block, which is the first aftermarket as-cast aluminum Gen V LT block.